diff --git a/templates/Includes/CMSMain_Content.ss b/templates/Includes/CMSMain_Content.ss
index 1e0d0b76..626cd285 100644
--- a/templates/Includes/CMSMain_Content.ss
+++ b/templates/Includes/CMSMain_Content.ss
@@ -9,17 +9,17 @@
 		
 			<div class="cms-content-header-tabs">
 				<ul>
-					<li class="content-treeview<% if class == 'CMSPageEditController' %> ui-state-selected<% end_if %>">
+					<li class="content-treeview<% if class == 'CMSPageEditController' %> ui-tabs-selected<% end_if %>">
 						<a href="#dummy" class="cms-panel-link" title="Form_EditForm" data-href="$LinkPageEdit">
 							<% _t('CMSMain.TabContent', 'Content') %>
 						</a>
 					</li>
-					<li class="content-listview<% if class == 'CMSPageSettingsController' %> ui-state-selected<% end_if %>">
+					<li class="content-listview<% if class == 'CMSPageSettingsController' %> ui-tabs-selected<% end_if %>">
 						<a href="#dummy" class="cms-panel-link" title="Form_EditForm" data-href="$LinkPageSettings">
 							<% _t('CMSMain.TabSettings', 'Settings') %>
 						</a>
 					</li>
-					<li class="content-listview<% if class == 'CMSPageHistoryController' %> ui-state-selected<% end_if %>">
+					<li class="content-listview<% if class == 'CMSPageHistoryController' %> ui-tabs-selected<% end_if %>">
 						<a href="#dummy" class="cms-panel-link" title="Form_EditForm" data-href="$LinkPageHistory">
 							<% _t('CMSMain.TabHistory', 'History') %>
 						</a>